Following the death of his friend Abraham Setrakian, Fet struggles to decipher the Occido Lumen, a tome holding the key to defeating the Master.

Goodweather deciphers the Occido Lumen and determines that the Master originated on one of the Thousand Islands located in the St Lawrence River.

Stephen King wrote: "Although there is a certain amount of dispensable hugger-mugger about vampires in Rome and archangels located in Sodom, the main attractions here is the resistance fighters' fierce dedication to their cause.

"[1] The San Francisco Chronicle's Alan Cheuse wrote: "The novel comes to us in a weird, loose style in which multiple view points proliferate, constantly shifting and re-forming the story, resembling nothing less than montage of fear-making moments that we love to hate.

"[2] Writer David Lapham and artist Mike Huddleston[3] adapted the novel into an 11-issue story arc for the eponymous comic-book series from Dark Horse Comics.

[4] Executive producer and showrunner Carlton Cuse adapted the novel into the 10-episode third and fourth season of the eponymous television series from FX.